Home / 12,274,081.92-18,405,786.63-3,518,432.19

Finding the Fourth Proportional to 12,274,081.92, 18,405,786.63 and 3,518,432.19

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Solution

The fourth proportional to 12,274,081.92, 18,405,786.63 and 3,518,432.19 is: 5,276,118.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,274,081.92 : 18,405,786.63 = 3,518,432.19 : x
  2. Step 2: Convert to fraction form
    12,274,081.92/18,405,786.63 = 3,518,432.19/x
  3. Step 3: Cross multiply
    12,274,081.92x = 18,405,786.63 × 3,518,432.19
  4. Step 4: Simplify right side
    12,274,081.92x = 64,759,512,174,457.73
  5. Step 5: Solve for x
    x = 64,759,512,174,457.73/12,274,081.92
  6. Step 6: Final answer
    x = 5,276,118.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.